[PDF] Top 20 Natural Radioactivity Measurement and Dose Assessment in Soil Samples from Some Selected Areas of Mali

... results from calculated radiological pa- rameters shows that soil samples collected in the fourth region Ségou presented the lowest value and those in Kayes region the highest ...western Mali ... See full document

... free samples, they were dried in an oven at 110 ˚C for 24 hours until constant dry weight ...dried samples were crushed and allowed to pass through micro sieves to maintain the uniform grain size to obtain ... See full document

... determine natural radionuclide activity concentrations in soil samples collected from 53 locations in Khammuan Province, Laos to evaluate the annual effective dose from outdoor ... See full document

... 40K natural activity concentrations in surface soils/sediments of some mining areas in Central Nasarawa State Nigeria, using Sodium Iodide-Thallium Gamma ...identified from the highly mining ... See full document

... includes measurement of gamma dose rate, sample collection, rock and soil samples collection, water samples collection, sample preparation, experimental set-up and equipment, rock ... See full document

... collected from the area under study i.e. soil, water and ...The soil samples were taken from the upper 5 cm layer with a coring ...collected from different places in the ... See full document

... of radioactivity importantly differs from a country to a country, so that the measurement of the natural radioactivity due to gamma rays from the dose rate is necessary in ... See full document

... four samples of surface soil each of mass 500g were collected along the wheat plantation area of Narok County, ...The samples were collected at Ololunga, Rotian, Eoret Narasha, Ntulele and Nairegie ... See full document

... Soil samples were collected from 33 different locations in Bolikhamxay province that are close to the populated areas and agriculture ...the soil samples were collected ... See full document

... thin the shielding arrangement and counted for 10,000 seconds. The software of the HPGe detecting system pro- vides the corresponding gamma spectra collected for both samples and standards. Gamma ray spectrometry ... See full document

... The aim of this study is the estimation of the concentration of radioactive elements Normal, U238, Th232, K40 and their progenies in the surface soil in the selected from Atbara. The radioactive ... See full document

... and soil, they are even found in our human body, being that we are products of our ...environment. Natural radioactivity is common in the soil and rocks that makes up our planet, therefore in ... See full document

... ashes from the thermal power plant JLEC due to non-uniform distribution of radionuclides in the samples of coal ash, the UNSCEAR 2000 report [15] offers templates to define some dosimetric quantities ... See full document

... while from a distance of 50m away from power plant, radon activity varies from ...effective dose equivalent varies from ...the soil in nearby places of the plant lowers the ... See full document

... UNSCEAR., 2000. Report to General Assembly, with Scientific Annexes, Sources and Effects of Ionizing Radiation, United Nations, New York. Veiga, R., Sanches, N., Anjos, R.M., Macario, K., Bastos, J., Iguatemy, M., ... See full document

... and this sand mixture, weighing approximately 1.25 kg, was considered representative of the sampling site [13]. They were placed in plastic bags, labeled and carried to the laboratory. They were oven dried at a ... See full document

... to natural terrestrial ...that radioactivity in the soil adds to the background level of radiation and human beings are ...the soil but this amount may vary from area to area ... See full document

... the soil which contai- ned wastes that are yet to decompose were ...removed. Soil samples were collected to a depth of 5 cm using a coring tool that was thoroughly cleaned and dried before each ... See full document

... count from another (gross counts minus background counts) and determining the resulting % error of the NCPS (Net Count Per Second) based on the standard deviation σ ... See full document

... isotopes from their disturbed location in the crystal or along recoil tracks may enhance the overall loss, but tly the volume from which the loss ... See full document